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下面图案中是轴对称图形的有（ ） A．1个  B．2个   C．3个  D．4个 答案：BHow do I book a place on Airbnb?When you book a place on Airbnb, you are making arrangements to stay in Someone’s home. Each host has their own style of hospitality, starting with how They like to get to know their guests. Some hosts want to approve reservations, while others are comfortable letting you book their place instantly without waiting for approval.1. Complete Your Personal DetailsIn either case, it’s important to know that Airbnb is a community that relies on trust. Complete your personal details before you request a reservation with a host, so they can know a little bit about you when they confirm. Your personal details should include photos and verifications (证明）, especially because some hosts require guests to have a profile photo and verified ID in order to book.2. Find the Right PlaceWith over 800,000 unique listings around the world, you’ll want to make sure the place you choose has everything you need for a comfortable and memorable trip. When searching for a place, make sure to include your dates and number of guests to get the most accurate pricing. Read reviews, descriptions, house rules, and facilities for each place to see if it’s the right fit for your trip. You can always contact the host if you have any questions about their home.3. Book It!You’ve found the perfect place, and now it’s time to make it official. This is where the host’s preferred way of booking will determine how you’ll confirm your reservation. Instant BookFor hosts who don’t want to approve each reservation, you’ll see a button on their listing that says Instant Book. Like the name suggests, you can confirm a reservation at these places right away. Request to BookMany hosts prefer to approve reservations before they’re final. In this case, you’ll see a button on their listing that says Request to Book. To submit a reservation request, you’ll need to enter your payment details.Hosts have 24 hours to accept your request, and your reservation is automatically confirmed once they do. Pre-approvals and Special OffersIf you decide to contact the host to ask questions before attempting to book, the host may respond to your message by inviting you to make a reservation with either a Pre-approval or a Special Offer. A Pre-approval is an invitation to finish booking for the dates and number of guests you noted in your message. A Special Offer gives the host the opportunity to provide special pricing, dates, and other reservation details before you book.【1】When filling in your personal information, you need to ________.A. request a reservation with a host B. ask for approval from the hostC. provide your proof of identity D. trust the community where you live【2】If you click the Request to Book button, you can ________.A. get some special discountsB. know the result within a dayC. get the approval immediatelyD. receive a Pre-approval message【3】Where is the passage most probably from?A. A news report. B. A shopping guide.C. A travel magazine. D. A research paper.